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  1. arborworks1

    MS260 port job

    I tinkered around with the ports on the 361. Big difference in cutting performance. I am tempted to tear it back down and leave off the base gasket to see what else I can get out of it.
  2. arborworks1

    MS260 port job

    For real watch out for that log:D
  3. arborworks1

    MS260 port job

    I wish I had taken pictures of everything. I would get to working on it and when I was half done I would remember that I needed to take pictures. Yeah when the jug bolts are all thats left to be done, kind of late. I jumped in blind but with a pretty good understanding of what was going...
  4. arborworks1

    MS260 port job

    Well I Might just get the dremel back out then. Do you know what was done to it exactly?
  5. arborworks1

    MS260 port job

    So the ehp one is ported I take it?
  6. arborworks1

    MS260 port job

    O sorry just the muffler, I removed the cage on the inside. Don't know how well porting it would do I've heard different opinions.
  7. arborworks1

    MS260 port job

    I have my 260 and recently modded 361 set very rich. In fact I pulled the plug on the 361 yesterday and it was closer to black. The 260 is about right. A mild fourstroke sound when running. I still believe the 361 has more power running a tad rich. But I don't want to foul plugs...
  8. arborworks1

    MS260 port job

    :lol:Damn that Fat man. Good for you though.
  9. arborworks1

    MS260 port job

    I just 4 stroked mine. I don't have a tach. I think santa is bringing me one.
  10. arborworks1

    MS260 port job

    I have been running mine alot here lately. Much more torque. I am able to lean on it pretty good now.
  11. arborworks1

    MS260 port job

    Maybe I should clarify. I followed the factory taper and just enlarged it, slightly as this is my first rodeo on chainsaw porting. I just sanded the intake side to smooth out the casting marks.
  12. arborworks1

    MS260 port job

    Make sure you feather the edges on the piston side. I even put a slight angle on mine. SO the wider the port is the better. I enlarged mine all around, Better to bellow it out more?
  13. arborworks1

    MS260 port job

    That looks hella familar. Great shots. I'll try to add some of mine tomorrow evening after I disassemble it again.
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